Ferritic Chromium Molybdenum Free-Machining Stainless Steel (18-2FM)
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AISI S18200 Details
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S18200 Datasheet
AISI S18200| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | S18200 | Ferrite | USA - AISI , |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Mn | 1.25 | 2.50 | ||
| Si | - | 1.00 | ||
| P | - | 0.04 | ||
| S | - | 0.15 | ||
| Cr | 17.50 | 19.50 | ||
| Ni | - | - | ||
| Mo | 1.50 | 2.50 |
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 295 (≥) | 315 (≥) | 43 | 22 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 341 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 584 (≥) | 732 (≥) | 41 | 11 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 133 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 929 | 523 | 359 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| A 176 S44400 | SAE | USA | Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip |
| A 240 S44400 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 268 S44400 | SAE | USA | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| A 276 S44400 | SAE | USA | Stainless Steel Bars and Shapes |
| A 554 S44400 | SAE | USA | Welded Stainless Steel Mechanical Tubing |
| A 580 S44400 | SAE | USA | Stainless Steel Wire |
| S44400 | AISI | USA | Ferritic Chromium Molybdenum Stainless Steel (18Cr-2Mo) |
| SA-240 S44400 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-268 S44400 | AMS | USA | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| SA-276 S44400 | AMS | USA | Specification for Stainless Steel Bars and Shapes |
| SA-479 S44400 | AMS | USA | Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 240 S38100 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 S38100 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 269 S38100 | SAE | USA | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 813 S38100 | SAE | USA | Single- or Double-Welded Austenitic Stainless Steel Pipe |
| A 814 S38100 | SAE | USA | Cold-Worked Welded Austenitic Stainless Steel Pipe |
| A 959 S38100 | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| S38100 | AISI | USA | Austenitic Chromium Nickel Silicon Stainless Steel |
| SA-240 S38100 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-813 S38100 | AMS | USA | Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe |